1 /* 2 * QEMU SDL display driver 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */ 25 26 #include "qemu/osdep.h" 27 #include "qemu-common.h" 28 #include "ui/console.h" 29 #include "ui/input.h" 30 #include "ui/sdl2.h" 31 #include "sysemu/sysemu.h" 32 33 static uint8_t modifiers_state[SDL_NUM_SCANCODES]; 34 35 void sdl2_reset_keys(struct sdl2_console *scon) 36 { 37 QemuConsole *con = scon ? scon->dcl.con : NULL; 38 int i; 39 40 for (i = 0 ; 41 i < SDL_NUM_SCANCODES && i < qemu_input_map_usb_to_qcode_len ; 42 i++) { 43 if (modifiers_state[i]) { 44 int qcode = qemu_input_map_usb_to_qcode[i]; 45 qemu_input_event_send_key_qcode(con, qcode, false); 46 modifiers_state[i] = 0; 47 } 48 } 49 } 50 51 void sdl2_process_key(struct sdl2_console *scon, 52 SDL_KeyboardEvent *ev) 53 { 54 int qcode; 55 QemuConsole *con = scon ? scon->dcl.con : NULL; 56 57 if (ev->keysym.scancode >= qemu_input_map_usb_to_qcode_len) { 58 return; 59 } 60 61 qcode = qemu_input_map_usb_to_qcode[ev->keysym.scancode]; 62 63 /* modifier state tracking */ 64 switch (ev->keysym.scancode) { 65 #if 0 66 case SDL_SCANCODE_NUMLOCKCLEAR: 67 case SDL_SCANCODE_CAPSLOCK: 68 /* SDL does not send the key up event, so we generate it */ 69 qemu_input_event_send_key_qcode(con, qcode, true); 70 qemu_input_event_send_key_qcode(con, qcode, false); 71 return; 72 #endif 73 case SDL_SCANCODE_LCTRL: 74 case SDL_SCANCODE_LSHIFT: 75 case SDL_SCANCODE_LALT: 76 case SDL_SCANCODE_LGUI: 77 case SDL_SCANCODE_RCTRL: 78 case SDL_SCANCODE_RSHIFT: 79 case SDL_SCANCODE_RALT: 80 case SDL_SCANCODE_RGUI: 81 if (ev->type == SDL_KEYUP) { 82 modifiers_state[ev->keysym.scancode] = 0; 83 } else { 84 modifiers_state[ev->keysym.scancode] = 1; 85 } 86 break; 87 default: 88 /* nothing */ 89 break; 90 } 91 92 if (!qemu_console_is_graphic(con)) { 93 bool ctrl = (modifiers_state[SDL_SCANCODE_LCTRL] || 94 modifiers_state[SDL_SCANCODE_RCTRL]); 95 if (ev->type == SDL_KEYDOWN) { 96 switch (ev->keysym.scancode) { 97 case SDL_SCANCODE_RETURN: 98 kbd_put_keysym_console(con, '\n'); 99 break; 100 case SDL_SCANCODE_BACKSPACE: 101 kbd_put_keysym_console(con, QEMU_KEY_BACKSPACE); 102 break; 103 default: 104 kbd_put_qcode_console(con, qcode, ctrl); 105 break; 106 } 107 } 108 } else { 109 qemu_input_event_send_key_qcode(con, qcode, 110 ev->type == SDL_KEYDOWN); 111 } 112 } 113